package com.ruoyi.framework.web.service;

import javax.annotation.Resource;

import cn.hutool.core.util.RandomUtil;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.framework.config.properties.RsaKeyProperties;
import com.ruoyi.framework.util.RsaUtils;
import com.ruoyi.mobile.company.domain.vo.CompanyLoginVO;
import com.ruoyi.mobile.user.domain.vo.UserLoginVO;
import com.ruoyi.system.domain.CompanyInfo;
import com.ruoyi.system.mapper.CompanyInfoMapper;
import com.ruoyi.system.mapper.SysUserMapper;
import com.ruoyi.system.service.impl.MobileUserServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.preauth.PreAuthenticatedAuthenticationToken;
import org.springframework.stereotype.Component;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.exception.user.BlackListException;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.exception.user.UserNotExistsException;
import com.ruoyi.common.exception.user.UserPasswordNotMatchException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.ip.IpUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.framework.security.context.AuthenticationContextHolder;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;

import java.security.PrivateKey;

/**
 * 登录校验方法
 *
 * @author ruoyi
 */
@Component
public class SysLoginService {
    @Autowired
    private TokenService tokenService;

    @Resource
    private AuthenticationManager authenticationManager;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISysUserService userService;

    @Autowired
    private MobileUserServiceImpl mobileUserService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private SysUserMapper userMapper;

    @Autowired
    private CompanyInfoMapper companyInfoMapper;

    @Autowired
    private RsaKeyProperties rsaKeyProperties;
    /**
     * 登录验证
     *
     * @param username 用户名
     * @param password 密码
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public String login(String username, String password, String code, String uuid) {
        //TODO 测试方便先关闭验证功能
        // 验证码校验
      //  validateCaptcha(username, code, uuid);
        // 登录前置校验
        loginPreCheck(username, password);
        // 用户验证
        Authentication authentication = null;
        try {
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username, password);
            AuthenticationContextHolder.setContext(authenticationToken);
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(authenticationToken);
        } catch (Exception e) {
            if (e instanceof BadCredentialsException) {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            } else {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        } finally {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(loginUser.getUserId());
        // 生成token
        return tokenService.createToken(loginUser);
    }

    /**
     * 校验验证码
     *
     * @param username 用户名
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid) {
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        if (captchaEnabled) {
            String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + StringUtils.nvl(uuid, "");
            String captcha = redisCache.getCacheObject(verifyKey);
            redisCache.deleteObject(verifyKey);
            if (captcha == null) {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire")));
                throw new CaptchaExpireException();
            }
            if (!code.equalsIgnoreCase(captcha)) {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error")));
                throw new CaptchaException();
            }
        }
    }

    /**
     * 登录前置校验
     *
     * @param username 用户名
     * @param password 用户密码
     */
    public void loginPreCheck(String username, String password) {
        // 用户名或密码为空 错误
        if (StringUtils.isEmpty(username) || StringUtils.isEmpty(password)) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("not.null")));
            throw new UserNotExistsException();
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // IP黑名单校验
        String blackStr = configService.selectConfigByKey("sys.login.blackIPList");
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr())) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("login.blocked")));
            throw new BlackListException();
        }
    }

    /**
     * 记录登录信息
     *
     * @param userId 用户ID
     */
    public void recordLoginInfo(Long userId) {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        sysUser.setLoginIp(IpUtils.getIpAddr());
        sysUser.setLoginDate(DateUtils.getNowDate());
        userService.updateUserProfile(sysUser);
    }


    public String login_h5_user(UserLoginVO userLoginVO)  {
        SysUser sysUser=mobileUserService.selectUserByPhoneUserType(userLoginVO.getPhone(),"00");
        if(userLoginVO.getLoginType()==1){
            String code= redisCache.getCacheObject(CacheConstants.CAPTCHA_CODE_KEY +"_"+userLoginVO.getPhone()+"_"+1);
            if(StringUtils.isEmpty(userLoginVO.getCode())){
                throw new ServiceException("登陆验证码不能为空！");
            }
            if(!userLoginVO.getCode().equals(code)){
                throw new ServiceException("登陆验证码不正确！");
            }
            redisCache.deleteObject(CacheConstants.CAPTCHA_CODE_KEY +"_"+userLoginVO.getPhone()+"_"+1);
            if(sysUser==null){
                //创建用户
                sysUser=new SysUser();
                sysUser.setNickName("用户"+ RandomUtil.randomString(16));
                sysUser.setUserName(userLoginVO.getPhone());
                sysUser.setUserType("00");
                sysUser.setPhonenumber(userLoginVO.getPhone());
                sysUser.setPassword(SecurityUtils.encryptPassword("123456"));
                boolean regFlag = userService.registerUser(sysUser);
                if (!regFlag){throw new ServiceException("注册失败,请联系系统管理人员！");}
                else{AsyncManager.me().execute(AsyncFactory.recordLogininfor(sysUser.getUserName(), Constants.REGISTER, MessageUtils.message("user.register.success"))); }
            }
        }
        PrivateKey privateKey = rsaKeyProperties.getPrivateKey();
        if(userLoginVO.getLoginType()==2){

            if(sysUser==null){
                throw new ServiceException("登录用户不存在，请先注册！");
            }
            if(StringUtils.isEmpty(userLoginVO.getPassword())){
                throw new ServiceException("登录密码不能为空！");
            }
        }
        // 用户验证
        Authentication authentication = null;
        try {
//             authentication = authenticationManager.authenticate(new PreAuthenticatedAuthenticationToken(sysUser.getUserName(),sysUser.getPassword()));
            UsernamePasswordAuthenticationToken authenticationToken=null;
            if(userLoginVO.getLoginType()==1) {
                 authenticationToken = new UsernamePasswordAuthenticationToken(sysUser.getUserName(), "010");
            }else{
                try{
                    authenticationToken = new UsernamePasswordAuthenticationToken(sysUser.getUserName(), RsaUtils.decrypt(userLoginVO.getPassword(), privateKey));
                } catch (Exception e) {
                    throw new ServiceException("账号或密码错误！");
                }
            }
            AuthenticationContextHolder.setContext(authenticationToken);
//             该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(authenticationToken);
        } catch (Exception e) {
            if (e instanceof BadCredentialsException) {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(sysUser.getUserName(), Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            } else {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(sysUser.getUserName(), Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        } finally {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(sysUser.getUserName(), Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(loginUser.getUserId());
        // 生成token
        return tokenService.createToken(loginUser);
    }

    public String login_h5_company(CompanyLoginVO companyLoginVO) {
        CompanyInfo companyInfo=companyInfoMapper.selectCompanyInfoByCode(companyLoginVO.getLoginName());
        if(companyInfo==null){
            companyInfo=companyInfoMapper.selectCompanyInfoByCompanyName(companyLoginVO.getLoginName());
        }
        if(companyInfo==null){
            throw new ServiceException("企业账号密码错误！");
        }
        SysUser sysUser=userMapper.selectUserById(Long.parseLong(companyInfo.getUserId()));
        if(sysUser==null){
            throw new ServiceException("企业未绑定用户信息！");
        }
        PrivateKey privateKey = rsaKeyProperties.getPrivateKey();
        // 用户验证
        Authentication authentication = null;
        try {
//             authentication = authenticationManager.authenticate(new PreAuthenticatedAuthenticationToken(sysUser.getUserName(),sysUser.getPassword()));
            UsernamePasswordAuthenticationToken authenticationToken=null;
            authenticationToken = new UsernamePasswordAuthenticationToken(sysUser.getUserName(), RsaUtils.decrypt(companyLoginVO.getPassword(), privateKey));
            AuthenticationContextHolder.setContext(authenticationToken);
//             该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(authenticationToken);
        } catch (Exception e) {
            if (e instanceof BadCredentialsException) {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(sysUser.getUserName(), Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            } else {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(sysUser.getUserName(), Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        } finally {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(sysUser.getUserName(), Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(loginUser.getUserId());
        // 生成token
        return tokenService.createToken(loginUser);
    }
}
